Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lewis, Y (Yalena)

Chess SA id

108082813

FIDE id

Date of birth

2008-01-15 (U18)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-11-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	613	579.2	578.8	500
Raw rating	613	579.2	578.8	500
Weighted rating	613	579.2	578.8	500
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	382.7	401.6	401.8	449.5
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01
Highest raw rating	613 2024-02-01	579.2 2024-02-01	578.8 2024-02-01	500 2024-02-01
Highest weighted rating	613 2024-11-01	579.2 2024-11-01	578.8 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	613	579.2	578.8	500
Analysis
Rating	613	579.2	578.8	500
Raw rating	613	579.2	578.8	500
Weighted rating	613	579.2	578.8
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	382.7	401.6	401.8	449.5
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	613	579.2	578.8	500
New weighted rating	613	579.2	578.8	500
New weighted performance	0	0	0	0
Temp new rating	613	579.2	578.8	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	613	579.2	578.8	500
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	0	5
History	24	14	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4	40	-85	1196.4	1111.4
Standard	5	2	40	-85	1197.3	1112.3
Rapid	5	2	40	-85	1195.5	1110.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	613	579.2	578.8	500
2025-09-30	613	579.2	578.8	500
2025-09-01	613	579.2	578.8	500
2025-08-01	613	579.2	578.8	500
2025-07-01	613	579.2	578.8	500
2025-06-01	613	579.2	578.8	500
2025-05-01	613	579.2	578.8	500
2025-04-01	613	579.2	578.8	500
2025-03-01	613	579.2	578.8	500
2025-02-01	613	579.2	578.8	500
2025-01-01	613	579.2	578.8	500
2024-12-01	613	579.2	578.8	500
2024-11-01	613	579.2	578.8	500
2024-10-01	613	579.2	578.8	500
2024-09-01	613	579.2	578.8	500
2024-08-01	613	579.2	578.8	500
2024-07-01	613	579.2	578.8	500
2024-09-01	613	579.2	578.8	500
2024-05-01	613	579.2	578.8	500
2024-04-01	613	579.2	578.8	500
2024-03-01	613	579.2	578.8	500
2024-02-01	613	579.2	578.8	500
2024-01-01	613	579.2	578.8	500
2023-12-01	613	579.2	578.8	500

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Umhlali Prep Inter-House 2021 (Grade 7)	2021-11-26	2021-11-26	Rapid	iLembe (KIK)	5	5	2	Yes	Analysis
2	Luthuli And Kennedy Chess Challenge 2018 (Senior Primary)	2018-09-15	2018-09-15	Standard	iLembe (KIK)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-26	rnd 5	type Rapid	result 1	date 2021-11-26	rnd 5	type Rapid	result 1
		Opponent Steyn, C (Catherine)				Opponent Steyn, C (Catherine)
2	1	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-26	rnd 3	type Rapid	result 1	date 2021-11-26	rnd 3	type Rapid	result 1
		Opponent Slevin, G (Grace)				Opponent Slevin, G (Grace)
3	1	Tournament Luthuli And Kennedy Chess Challenge 2018				Tournament Luthuli And Kennedy Chess Challenge 2018
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-09-15	rnd 4	type Standard	result 1
		Opponent Zungu, N (Ntando)				Opponent Zungu, N (Ntando)

#	Games	Start				End
1	1	Tournament Luthuli And Kennedy Chess Challenge 2018				Tournament Luthuli And Kennedy Chess Challenge 2018
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-09-15	rnd 4	type Standard	result 1
		Opponent Zungu, N (Ntando)				Opponent Zungu, N (Ntando)
2	1	Tournament Luthuli And Kennedy Chess Challenge 2018				Tournament Luthuli And Kennedy Chess Challenge 2018
		date 2018-09-15	rnd 2	type Standard	result 1	date 2018-09-15	rnd 2	type Standard	result 1
		Opponent Sibisi, W (Wonderboy)				Opponent Sibisi, W (Wonderboy)

#	Games	Start				End
1	1	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-26	rnd 5	type Rapid	result 1	date 2021-11-26	rnd 5	type Rapid	result 1
		Opponent Steyn, C (Catherine)				Opponent Steyn, C (Catherine)
2	1	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-26	rnd 3	type Rapid	result 1	date 2021-11-26	rnd 3	type Rapid	result 1
		Opponent Slevin, G (Grace)				Opponent Slevin, G (Grace)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-26	rnd 5	type Rapid	result 1	date 2021-11-26	rnd 5	type Rapid	result 1
		Opponent Steyn, C (Catherine)				Opponent Steyn, C (Catherine)
2	1	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-26	rnd 3	type Rapid	result 1	date 2021-11-26	rnd 3	type Rapid	result 1
		Opponent Slevin, G (Grace)				Opponent Slevin, G (Grace)
3	1	Tournament Luthuli And Kennedy Chess Challenge 2018				Tournament Luthuli And Kennedy Chess Challenge 2018
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-09-15	rnd 4	type Standard	result 1
		Opponent Zungu, N (Ntando)				Opponent Zungu, N (Ntando)

#	Games	Start				End
1	1	Tournament Luthuli And Kennedy Chess Challenge 2018				Tournament Luthuli And Kennedy Chess Challenge 2018
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-09-15	rnd 4	type Standard	result 1
		Opponent Zungu, N (Ntando)				Opponent Zungu, N (Ntando)
2	1	Tournament Luthuli And Kennedy Chess Challenge 2018				Tournament Luthuli And Kennedy Chess Challenge 2018
		date 2018-09-15	rnd 2	type Standard	result 1	date 2018-09-15	rnd 2	type Standard	result 1
		Opponent Sibisi, W (Wonderboy)				Opponent Sibisi, W (Wonderboy)

#	Games	Start				End
1	1	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-26	rnd 5	type Rapid	result 1	date 2021-11-26	rnd 5	type Rapid	result 1
		Opponent Steyn, C (Catherine)				Opponent Steyn, C (Catherine)
2	1	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-26	rnd 3	type Rapid	result 1	date 2021-11-26	rnd 3	type Rapid	result 1
		Opponent Slevin, G (Grace)				Opponent Slevin, G (Grace)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Gumede ,T (Thula)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Gumede ,T (Thula)	1	1165.4	740.4	1	1160.8	740.4	0	0	0	0	0	0
2	Sibisi ,W (Wonderboy)	1	1	425	1	1	425	0	0	0	0	0	0
2	Sibisi ,W (Wonderboy)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Ndimande ,B (Boniswa)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Ndimande ,B (Boniswa)	1	1195.6	770.6	1	1192.2	770.6	0	0	0	0	0	0
4	Zungu ,N (Ntando)	1	1	425	1	1	425	0	0	0	0	0	0
4	Zungu ,N (Ntando)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Henwood-Fox ,G (Guy)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Henwood-Fox ,G (Guy)	1	1225.7	800.7	1	1214.4	800.7	0	0	0	0	0	0
6	Lee ,G (Giselle)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Lee ,G (Giselle)	1	1177.7	752.7	0	0	0	1	1139.2	752.7	0	0	0
7	Glaister ,T (Tenya)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Glaister ,T (Tenya)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Slevin ,G (Grace)	1	1	425	0	0	0	1	1	425	0	0	0
8	Slevin ,G (Grace)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Faku ,U (Unathi)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Faku ,U (Unathi)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Steyn ,C (Catherine)	1	1	425	0	0	0	1	1	425	0	0	0
10	Steyn ,C (Catherine)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Lewis, Y (Yalena)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms